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add cpu serial number tag, kernel will read this
number and put it in /proc/cpuinfo, as 'Serial' part
it can be used as a UUID source in software.
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
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1. enable fastboot feature on mx6q-arm2 board
2. enlarge fastboot buffer to 320MB
3. correct some usb descriptors
Signed-off-by: LiGang <b41990@freescale.com>
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There is a problem that a too long command line parameter in U-Boot
console will actually be truncated and not properly truncated to the
kernel.
The root cause is that the command line in the U-Boot console is read
into a buffer --- console_buffer[CONFIG_SYS_CBSIZE]. Currently the
CONFIG_SYS_CBSIZE is set as 256. Command line parameter larger than it
will not be recorded. On the other hand, max length of boot parameter of
linux kernel is set to 1024, which means it can accept parameter size as
large as 1024.
So we need to align these 2 values. Enlarge CONFIG_SYS_CBSIZE to 1024 as
well.
Signed-off-by: Eric Sun <jian.sun@freescale.com>
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With the secure boot patch. MX6 NAND Boot is not functional. The root
cause is that, the original secure boot patch fills "0xFF' to spacing
regions, due to a issue in ROM code, read pages of all "0xff" will be
treated as a critical error. Thus prevent the U-Boot from booting
normally.
The fix adjust image copy size in IVT so that when secure boot is not
enabled, no unuseful data is copied by ROM code. Also the secure boot
option is default disabled. The end user won't enable it unless they
know what they are doing.
These prevent the ROM code from copied pages of "0xff" data, and fix the
issue.
Signed-off-by: Eric Sun <jian.sun@freescale.com>
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Before running authentication on uImage in DDR, u-boot first check if
SEC_CONFIG[1] (OTP_CFG5[1]) is burned. If so, it means the chip is in
secure configuration, the authentication continues; if not, the chip
in not in secure configuration, just bypass the authentication
Signed-off-by: Eric Sun <jian.sun@freescale.com>
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Security boot need to use fuse item. Thus it should not be enabled as
default.
Signed-off-by: Terry Lv <r65388@freescale.com>
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The first stage of High Assurance Boot (HAB) is the authentication of
U-boot. A CST tool is used to generate the CSF data, which include
public key, certificate and instruction of authentication process. Then
it is attached to the original u-boot.bin
The IVT should be modified to contain a pointer to the CSF data. The original
u-boot.bin is with size between 0x27000 to 0x28000. For convinence, we first
extend the u-boot.bin to 0x2F000 (with fill 0xFF). Then concatenate it with
the CSF data. The combined image is again extend to a fixed length (0x31000),
which is used as the IVT size parameter.
The new memory layout is as the following.
U-Boot Image
+-------------+
| Blank |
|-------------| 0x400
| IVT |-----------------------+
|-------------| |
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|Remaining UB | | CSF pointer
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|-------------| |
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| Fill Data | |
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|-------------| 0x2F000 <-------------+
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| CSF Data |
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|-------------|
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| Fill Data |
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+-------------+ 0x31000
HAB APIs are ROM implemented, the entry table is located in a fixed
location in the ROM. We export them so that during the HAB we can
have some information about the secure boot process. For convinience
some wrapper API is implemented based on the HAB APIs.
- get_hab_status : used to dump information of authentication result
- authenticate_image : used by u-boot to authenticate uImage
For security hardware to function, CAAM related clock (CG0[4~6]) must
be open. They are default closed in the original U-boot.
"hab_caam_clock_enable" and "hab_caam_clock_disable" are created to
open and close these clock gates.
The generation of CSF data is not in the scope of this patch. CST tool
will be used for this purpose. The procedure will be introduced in
another document.
Signed-off-by: Eric Sun <jian.sun@freescale.com>
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dd read and change voltage support for mx6.
For help, pls type "help regul"
Detail command info:
regul list - List all regulators' name
regul show all - Display all regulators' voltage
regul show core - Show core voltage in mV
regul show periph - Show peripheral voltage in mV
regul show <regulator name> - Show regulator's voltage in mV
regul set core <voltage value> - Set core voltage in mV
regul set periph <voltage value> - Set periph voltage in mV
regul set <regulator name> <voltage value> - Set regulator's voltage in
mV
Example:
MX6Q ARM2 U-Boot > regul list
Name Voltage
vddpu
vddcore
vddsoc
vdd2p5
vdd1p1
vdd3p0
MX6Q ARM2 U-Boot > regul show all
Name Voltage
vddpu 1100000
vddcore 1100000
vddsoc 1200000
vdd2p5 2400000
vdd1p1 1100000
vdd3p0 3000000
MX6Q ARM2 U-Boot > regul show periph
Name Voltage
periph: 1100000
MX6Q ARM2 U-Boot > regul show core
Name Voltage
core: 1100000
MX6Q ARM2 U-Boot > regul set core 1100000
Set voltage succeed!
Name Voltage
core: 1100000
Signed-off-by: Terry Lv <r65388@freescale.com>
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Move partition command from nand to sata in mx6 for nand don't need
these partition command.
Signed-off-by: Terry Lv <r65388@freescale.com>
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For ARM2 and Sabreauto, change TTY0 to TTY3 (which is physical UART4)
For SabreSD, Change TTY3 to TTY0 (which is physical UART1)
Signed-off-by: Eric Sun <jian.sun@freescale.com>
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1. C macro don't eval, so the rd_loadaddr will be (CONFIG_LOADADDR + 0x300000)
rather then number, will cause uboot can't boot, change this to a number which
make default boot env correct.
2. update android mx6q saberlite config to align lastest code status.
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
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For uImage's size of mx6q is larger than 3M, we enlarge mmc read size to
4M in default env.
Signed-off-by: Terry Lv <r65388@freescale.com>
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Add "download_mode" command to U-Boot. It will force a system reset and let
boot running in "boot from serial rom" mode, which can be used by manufacturing
tool.
The command will triggle a write to SRC_GPR9 and SRC_GPR10, then triggle a
watchdog reset. GPR9 and GPR10 can maintain their value during the reset, the
value in it make ROM to start in "boot from serial rom" mode. After that GPR9
and GPR10 are written by their original value for normal boot.
Signed-off-by: Eric Sun <jian.sun@freescale.com>
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Add the MACRO define CONFIG_APBH_DMA which missed in last commit
Signed-off-by: Allen Xu <allen.xu@freescale.com>
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Add iomux and clock setting in Uboot code to support NAND, due to
the conflict between NAND and SD, NAND function is not enabled in
default configuration.
Signed-off-by: Allen Xu <allen.xu@freescale.com>
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1. add force option to blow operation
2. add blown value check
3. add simple validation for zeros returned by 'simple_strtoul' call
Signed-off-by: Ryan QIAN <b32804@freescale.com>
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Add spi-nor support for mx6q.
Signed-off-by: Terry Lv <r65388@freescale.com>
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Sabreauto is an inaccurate name for the Armadillo2 board that
this code is actually meant for. So, replaced "sabreauto" in folder names,
file names, configs, and code with "arm2". Created a new machine id for
ARM2 board.
Signed-off-by: Anish Trivedi <anish@freescale.com>
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